btrfs
A filesystem based on the copy-on-write (COW) principle for Linux.
Some subcommands such as device have their own usage documentation.
More information: https://btrfs.readthedocs.io/en/latest/btrfs.html.
- Create subvolume:
sudo btrfs subvolume create path/to/subvolume
- List subvolumes:
sudo btrfs subvolume list path/to/mount_point
- Show space usage information:
sudo btrfs filesystem df path/to/mount_point
- Enable quota:
sudo btrfs quota enable path/to/subvolume
- Show quota:
sudo btrfs qgroup show path/to/subvolume